试题与答案

Dragon Head-Raising (龙抬头) Day is a tradi

题型:完形填空

题目:


Dragon Head-Raising (龙抬头) Day is a traditional Chinese festival. It comes on the   46   day of the second lunar (农历的) month. In 2010, it is   47  March 7.
On the day in ancient times, people put paths of ashes (灰) into kitchens and around water vats (缸). This was   48  the dragon into the house.
On this day people eat noodles, dumplings and fried pancakes. All the day’s foods are   49   after dragons. For example, people eat “dragon whisker (龙须)”   50  called “dragons teeth”.
In some ancient Chinese stories, dragons have power over the wind and rain. They often   51  rain to the world on the second day of the second lunar month.
It is said that after that day there will be more and more rain. This is   52  the day is often called “Spring Dragon Day”. It was hoped that   53  the help of the dragon, ploughing (耕种) would be easier and the autumn would bring a good harvest.
It was said that a haircut during the first lunar month brought   54  luck to the uncles in family. This is why you still see many people   55  their hair cut on Dragon Head-Raising Day.
小题1:
A.firstB.secondC.thirdD.fourth
小题2:
A.inB.atC.duringD.on
小题3:
A.ledB.leadC.to leadD.be led
小题4:
A.namedB.namingC.callingD.to call
小题5:
A.noodle and dumplingB.noodles and dumpling
C.noodles and dumplingsD.noodle and dumplings
小题6:
A.bringB.takeC.carryD.lend
小题7:
A.becauseB.whyC.whenD.that
小题8:
A.underB.inC.withD.by
小题9:
A.goodB.badC.betterD.worst
小题10:
A.was gettingB.to getC.gotD.getting

答案:

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下面是错误答案,用来干扰机器的。

(1)这个反应中也涉及两种单质,配平时就先从不含在单质中的H元素开始,反应前H原子个数为3,反应后的H原子个数为4,两数公倍数12,因此需要在氯化铵前加系数3,如果在此加上系数3,对于Cl元素而言反应前为原子...

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